Take your memory card that has Vice City saved on it and load it on to San Andreas.

Cane weapon

In Los Santos go to the vine wood sign go behind it and go to the "V" in Vine wood you will find a cane as a weapon and can kill someone in 2-3 hits.

Free Ammo in Ammu-nation

Go to any Ammu-nation that has a shooting range. Enter the shooting range with a weapon that is sold at Ammu-nation and exit it. When you exit, you will get more ammo. Repeat as many times as needed.

Get a pilot license without going to pilot school!

Hop the fence to the Los Santos airport, hop in the SHAMAL, and keep flying it for about 25 minutes. In the upper right hand corner of the screen, it will say to keep practicing to obtain a pilot's license. Fly for about 10 minutes more, and you will obtain a pilot's license and have access to all airports!

Location of AT-400 (747)

In Las Venturas Airport there is a very large, lone hanger at one end of the main runway. If you walk up to it it opens top to bottem. At certian times of the day an AT-400 will spawn inside this hanger. Its difficult getting it out undamaged, but you can reach max height with it, plus you fly so high that flying over area-69 wont get you a wanted level. A must for the skydiver.

To activate this cheat go to the airport in one of the hangers and press L1,L2,X,triangle,Squarex2

Player two mode in a different town!

The place where you first meet Catalina. Go there and look for a garage in that little town. The two player marker will be spinning around
in front of it. Simply, walk into it and Player 2 just presses any button and your off. enjoy!